CN211214884U - Oval loach seal wire - Google Patents
Oval loach seal wire Download PDFInfo
- Publication number
- CN211214884U CN211214884U CN201920716666.5U CN201920716666U CN211214884U CN 211214884 U CN211214884 U CN 211214884U CN 201920716666 U CN201920716666 U CN 201920716666U CN 211214884 U CN211214884 U CN 211214884U
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- Prior art keywords
- wire
- guide wire
- oval
- loach
- seal wire
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Abstract
The utility model discloses an oval-shaped loach seal wire, concretely relates to multiplicable sense of touch, reduce the seal wire that tactile feedback is lost, make the frictional force that increases the art person and control in the operation process, the nature controlled of loach seal wire has been improved, oval-shaped wire winding simultaneously, the art person of being convenient for selects in two directions of arc length short and arc length, can control the seal wire main part entering direction when narrowly or block up the pathological change through coronary artery, reduce the operation risk, the problem that current circular seal wire can increase the operation risk has been overcome. The guide wire comprises a guide wire body, wherein a core wire is arranged at the front part of the guide wire body, a welding spot is fixed at the front end of the core wire, a winding wire is covered on the surface of the core wire, the cross section of the winding wire on the surface of the guide wire body is oval, and the surface of the guide wire body is made of polyurethane and hydrophilic coating composite materials.
Description
Technical Field
The utility model relates to a medical apparatus, in particular to an elliptical loach guide wire.
Background
At present, the loach guide wire has very obvious advantages when the blood vessel of the elbow is twisted, the subclavian artery and the brachiocephalic artery are tortuous due to good trafficability.
However, the existing loach guide wire is too smooth in surface and high in smoothness, so that tactile feedback is lost, vascular injury is easily caused during intervention, complications such as local hematoma are caused in light patients, and bone fascial compartment syndrome is caused in severe patients to endanger the life of patients. According to incomplete statistics, 5% -8% of the existing complications of radial artery intervention are directly or indirectly caused by ultra-smooth guide wires, and the operation risk is greatly increased.
There is therefore a need for a guidewire with high haptic feedback effect to address the above-mentioned surgical risks.
SUMMERY OF THE UTILITY MODEL
Based on the weak point among the prior art that mentions among the above-mentioned background art, for this reason the utility model provides an oval type loach seal wire.
The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:
the utility model provides an oval loach seal wire, includes the seal wire body, seal wire body front portion is provided with the core silk, and the core silk front end is fixed with the solder joint, and the core silk surface covers there is the wire winding, and the cross-section of seal wire body surface wire winding is oval, and seal wire body surface adopts polyurethane and hydrophilic coating combined material to make.
As a further aspect of the present invention: the adjusting wire is fixed to the rear portion of the core wire, the adjusting wire is sleeved inside the guide wire body, a small gear is fixed to the rear portion of the adjusting wire and meshed with a large gear, the large gear is connected to the mounting frame in a rotating mode, and the mounting frame is fixed to the rear portion of the guide wire body.
As a further aspect of the present invention: the upper end of the mounting rack is fixed with a handle which is convenient for an operator to hold.
As a further aspect of the present invention: and the mounting rack is provided with a locking device which is embedded in a groove on the side surface of the large gear.
As a further aspect of the present invention: the locking device comprises a spring, a sleeve and a locking rod, the embedding end of the locking rod and the groove on the side face of the large gear is smooth, the other side of the locking rod is sleeved in the sleeve, the sleeve is fixed on the mounting frame, and the locking rod is elastically connected with the sleeve through the spring.
After the structure more than adopting, the utility model discloses compare in prior art, possess following advantage: through changing current circular structure stainless steel wire winding into the stainless steel wire winding of oval type structure for play reinforcing head end compliance and reinforcing seal wire tactile feedback in the operation process, simultaneously, the core silk can play support and propelling movement effect, in addition, the seal wire surface that adopts polyurethane and hydrophilic coating combined material to make reduces frictional resistance.
Drawings
Fig. 1 is a schematic structural diagram of an elliptical loach guide wire.
Fig. 2 is a left side view of the core wire and the winding wire of the elliptical loach guide wire.
In the figure: 1-a guidewire body; 2-core yarn; 3-winding the filaments; 4-welding spots; 5-mounting a frame; 6-a handle; 7-a bull gear; 8-pinion gear; 9-locking device.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Example 1
Please refer to fig. 1-2, in the embodiment of the present invention, an elliptical loach guide wire, including guide wire body 1, guide wire body 1 front portion is provided with core wire 2, core wire 2 front end is fixed with solder joint 4, core wire 2 surface covers there is wire 3, it should be explained that, guide wire body 1 surface wire 3's cross-section is ellipse, guide wire body 1 surface adopts polyurethane and hydrophilic coating combined material to make, increase the guide wire controllability through making anterior wire 3 into ellipse type, increase the frictional force that the art person controlled, ellipse type wire 3 has two directions of long radian and short arc degree in the use, can increase the propelling movement sense of touch, it also has wire direction controllability, the art person selects in two directions of arc length short and arc length, can control the main part entering direction when pathological change through coronary artery stenosis or block.
Example 2
In order to explain the above-mentioned oval loach seal wire further, this application provides another embodiment, core silk 2 rear portion is fixed with the adjustment silk, the adjustment silk overlaps and establishes inside seal wire body 1, adjustment silk rear end is fixed with pinion 8, pinion 8 meshes gear wheel 7, gear wheel 7 rotates and connects on mounting bracket 5, mounting bracket 5 is fixed in seal wire body 1 rear portion, the mounting bracket 5 upper end is fixed with the handle 6 that the art person of being convenient for held, thereby it drives the rotation of pinion 8 and drives adjustment silk drive core silk 2 and rotate to rotate through rotating gear wheel 7, realize two direction adjustments of long radian and short radian to oval wire winding 3, it follows the rotation to need whole seal wire body 1 among the prior art to have overcome, there is the big problem of resistance.
In order to fix the direction of the wire winding 3 better, a locking device 9 is arranged on the mounting frame 5, the locking device 9 is embedded in a groove in the side face of the large gear 7, the locking device 9 further comprises a spring, a sleeve and a locking rod, the embedded end of the locking rod and the groove in the side face of the large gear 7 is smooth, the other side of the locking rod is sleeved in the sleeve, the sleeve is fixed on the mounting frame 5, the locking rod is elastically connected with the sleeve through the spring, the spring is used for driving the locking rod to be tightly attached to the groove in the side face of the large gear 7, so that the large gear 7 is fixed, the fixing of the small gear 8 and the adjusting wire is achieved, and finally the core wire 2 and the wire winding 3 are fixed.
According to the detailed description of the above embodiments, it is easy to understand that the working principle of the present invention is: the front winding wire 3 is made into an elliptical shape to increase the guide wire controllability and increase the friction force controlled by an operator, the elliptical winding wire 3 has two directions of long radian and short radian in the using process and can increase the pushing touch feeling and the guide wire direction controllability, the operator can select the two directions of arc length and arc length, the entering direction of a main body can be controlled when the patient suffers from coronary artery stenosis or occlusion, the small gear 8 is driven to rotate by rotating the large gear 7 so as to drive the adjusting wire to drive the core wire 2 to rotate, the two directions of the long radian and the short radian of the elliptical winding wire 3 are adjusted, the problem of large resistance caused by the fact that the whole guide wire body 1 needs to rotate along with the rotation in the prior art is overcome, the locking rod is driven by the spring to cling to the groove on the side surface of the large gear 7 so as to fix the large gear 7, and the small gear 8 and the adjusting wire are fixed, finally, the core wire 2 and the winding wire 3 are fixed.
It should be noted that, the spring is prior art's application in this application, through changing current circular structure stainless steel wire winding into the stainless steel wire winding of oval type structure, make increase the frictional force that the art person controlled in the operation process, the controllability of loach seal wire has been improved, the wire winding of oval type simultaneously, the art person of being convenient for selects in arc length and two directions of arc length, can control seal wire main part entering direction when through coronary artery stenosis or block lesion, reduce the innovation point that the operation risk is this application, it has effectively solved the problem of current circular seal wire increase operation risk.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. However, all changes which come within the scope of the independent claims of the invention are to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (5)
1. The utility model provides an oval loach seal wire, includes seal wire body (1), its characterized in that, seal wire body (1) front portion is provided with core silk (2), and core silk (2) front end is fixed with solder joint (4), and core silk (2) surface covers has wire winding (3), and the cross-section of seal wire body (1) surface wire winding (3) is oval, and seal wire body (1) surface adopts polyurethane and hydrophilic coating combined material to make.
2. The elliptical loach guide wire according to claim 1, wherein an adjusting wire is fixed to the rear portion of the core wire (2), the adjusting wire is sleeved inside the guide wire body (1), a small gear (8) is fixed to the rear portion of the adjusting wire, the small gear (8) is meshed with a large gear (7), the large gear (7) is rotatably connected to a mounting frame (5), and the mounting frame (5) is fixed to the rear portion of the guide wire body (1).
3. The elliptical loach guide wire according to claim 2, wherein a handle (6) convenient for an operator to hold is fixed at the upper end of the mounting frame (5).
4. The elliptical loach guide wire according to claim 2, wherein a locking device (9) is arranged on the mounting frame (5), and the locking device (9) is embedded in a groove in the side surface of the large gear (7).
5. The elliptical loach guide wire according to claim 4, wherein the locking device (9) comprises a spring, a sleeve and a locking rod, the end of the locking rod, which is embedded in a groove in the side of the large gear (7), is smooth, the other side of the locking rod is sleeved in the sleeve, the sleeve is fixed on the mounting frame (5), and the locking rod is elastically connected with the sleeve through the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716666.5U CN211214884U (en) | 2019-05-20 | 2019-05-20 | Oval loach seal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716666.5U CN211214884U (en) | 2019-05-20 | 2019-05-20 | Oval loach seal wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211214884U true CN211214884U (en) | 2020-08-11 |
Family
ID=71927433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920716666.5U Active CN211214884U (en) | 2019-05-20 | 2019-05-20 | Oval loach seal wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211214884U (en) |
-
2019
- 2019-05-20 CN CN201920716666.5U patent/CN211214884U/en active Active
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